// pe12-2b.c
// 与 pe12-2a.c一起编译
#include <stdio.h>
#include "pe12-2a.h"

int main(void) {
    int mode;
    printf("Enter 0 for metric mode, 1 for US mode:");
    scanf("%d",&mode);
    while(mode>=0){
        set_mode(mode);
        get_info();
        show_info();
        printf("Enter 0 for metric mode, 1 for US mode:");
        printf(" (-1 to quit ): ");
        scanf("%d",&mode);
    }
    printf("Done.\n");
    return 0;
}
